n. The total illumination or the pattern and distribution of lights in a picture or vista.
Christmas decorations, including dozens of lightscapes on downtown streets, will add to the festivities.
—Jan Galletta, “Holiday homes tour,” Chattanooga Times/Chattanooga Free Press, November 30, 2001
1977 (earliest)
The music, the choreography, and the staging enter into an amazingly consonant compact with the settings, constumes and lighting of Baryshnikov's "Nutcracker." Boris Aronson's designs … correspond precisely to the spirit of Baryshnikov's allegory. So do Jennifer Tipton's muted lightscapes.
—Alan M. Kriegsman, “The New 'Nutcracker': An Artistic Coup,” The Washington Post, January 02, 1977